ADSD-1420S Просмотр технического описания (PDF) - Delta Electronics, Inc.
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ADSD-1420S Datasheet PDF : 5 Pages
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ADSD-1420S
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
LIMITS
+5VCC Supply (Pins 2, 39)
–5VEE Supply (Pins 9, 32)
VDD Supply (Pin 12)
Digital Inputs (Pins 10, 11, 30, 31)
Analog Input (Pins 1, 40)
Lead Temp. (10 seconds)
0 to +6
0 to –6
–0.3 to (VCC +0.3)
–0.3 to (VDD +0.3)
±7
+300
UNITS
Volts
Volts
Volts
Volts
Volts
°C
FUNCTIONAL SPECIFICATIONS
(TA = +25°C, VCC = +5V, VDD = +5V, VEE = –5V, 20MSPS sampling rate,Vin = ±2.5V
and a minimum 7 minute warmup unless otherwise specified.)
ANALOG INPUTS
MIN. TYP. MAX. UNITS
Input Voltage Range
Input Impedence
Input Capacitance
DIGITAL INPUTS
—
±2.5V
—
Volts
610
620
630
Ω
—
7
15
pF
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
PERFORMANCE
+2.4
—
—
Volts
—
—
+0.8
Volts
—
—
+10
µA
—
—
–10
µA
Integral Non-Linearity
+25°C (fin=10kHz)
0 to +70°C
–55 to +125°C
Differential Non-Linearity
(fin = 10kHz)
+25°C
0 to +70°C
–55 to +125°C
Offset Error
+25°C (see Figure 3)
0 to +70°C
–55 to +125°C
Gain Error
+25°C (see Figure 3)
0 to +70°C
–55 to +125°C
No Missing Codes
14 Bits
Resolution
OUTPUTS
—
±1
—
LSB
—
±1
—
LSB
—
±2
—
LSB
–0.99
–0.99
–0.99
—
—
—
—
—
—
±0.5
±0.5
±0.75
+1.5
+1.5
+1.75
±0.25 ±0.5
±0.25 ±0.5
±0.5
±0.8
±0.3
±0.6
±0.3
±0.6
±0.6
±0.8
–55 to +125°C
14 Bits
LSB
LSB
LSB
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
Output Coding
Offset Bin.
Logic Level
Logic "1"
VDD = +5V
+3.8
—
—
Volts
VDD = +3.3V +2.48
—
—
Volts
Logic "0"
VDD = +5V
—
—
+0.5
Volts
VDD = +3.3V
—
—
+0.5
Volts
Logic Loading "1" VDD = +5V
—
—
–8
mA
VDD = +3.3V
—
—
–4
mA
Logic Loading "0" VDD = +5V
—
—
+8
mA
VDD = +3.3V
—
—
+4
mA
Internal Reference
Voltage, +25°C
+1.5
+1.55 +1.6
Volts
0 to +70°C
+1.5
+1.55 +1.6
Volts
External Current
—
—
5
mA
DYNAMIC PERFORMANCE
Total Harm. Distort. (–0.5dB)
dc to 500kHz
500kHz to 10MHz
Signal-to-Noise Ratio
(w/o distortion, –0.5dB
dc to 500kHz
500kHz to 10MHz
Signal-to-Noise Ratio
(and distortion, –0.5dB)
dc to 500kHz
500kHz to 10MHz
Spurious Free Dyn. Range ➀
dc to 500kHz
500kHz to 10MHz
Two-tone IMD
Distortion (fin = 9.68MHz,
fs = 20MHz, –0.5dB)
Input Bandwidth (–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Aperture Delay Time
Aperature Uncertainty
S/H Acq. Time, (to ±0.003%FSR)
Step input
Feedthrough Rejection
(fin = 10MHz)
Noise
TIMING SPECIFICATIONS
Conversion Rate
Start Convert High
Start Convert Low
Start Convert to EOC
Delay
EOC to Data Valid
Delay
Output Enable Delay
Output Disable Delay
POWER REQUIREMENTS
Power Supply Ranges
–5VEE Supply
+5VCC Supply
VDD Supply
MIN.
—
—
73
73
71
71
—
—
—
—
—
—
—
—
—
—
1
20
20
2
0
1
1
–5.25
+4.75
+3.0
TYP. MAX. UNITS
–81
–77
dB
–80
–74
dB
75
—
dB
75
—
dB
74
—
dB
74
—
dB
–83
–80
dB
–82
–76
dB
–78
—
dB
25
—
MHz
25
—
MHz
—
±10
ns
—
5
ps
—
25
ns
85
—
dB
250
—
µVrms
—
20
MHz
25
500
ns
25
500
ns
6
10
ns
7
12
ns
6
13
ns
6
13
ns
–5.0 –4.75 Volts
+5.0 +5.25 Volts
+5.0
VCC
Volts
Power Supply Currents
–5VEE Supply
–100
+5VCC Supply
—
VDD Supply
—
Power Dissipation
—
Power Supply Rejection
—
PHYSICAL/ENVIRONMENTAL
–89
—
+230 +245
+2.0
+5.0
1.6
1.7
—
±0.01
Oper. Temp. Range, Ambient
ADSD-1420S
ADSD-1420S-EX
Storage Temperature Range
Package Type
0
—
+70
–55
—
+125
–65
—
+150
40-pin, SMT TDIP
mA
mA
mA
Watts
%FSR%V
°C
°C
°C
Footnote:
➀ Same specification as In-Band Harmonics and Peak Harmonics.
www.cd4power.com
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